What is the value of the expression below.4/5+3/5+3.5×5
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Answer is in a box.
The bag contains 6 red marbles, 8 blue marbles and 9 green marbles, that is 23 marbles.
The probability that one of the 23 marbles will be picked is 1 or 100%, we are picking a marble for sure.
So what is the probability you will pick for example one of the 6 red marbles? It is 6 out of 23 but since we need percentages multiply by 100,
The probability to pick a blue marble is,
And the probability to pick a green marble is,
To check that everything is right you can sum all the probabilities; the probability that it will be either red, blue or green is 100% so the individual probabilities must sum to 100%, and they do,
Hope this helps :)